Who can say how long the coupon book has been around, but it needs an upgrade.

谁能说出多少时间的赠券书已经存在，但它需要升级。

youdao

Tear off this coupon and use it to get RMB5 off your next book.

撕下这张优惠券，你下次再买书时就可以省5块钱。

youdao

Buy now and get a special 35% discount on the book when using the coupon code IBM5717.

现在利用优惠券代码ibm 5717，来购买此书，可享受35%的特别折扣。

youdao

Coupon books from online book retailers make a fun gift that can be used all year.

FORBES: Best Valentine's Day Gifts For Women That Are Under $20

He expects to see book purchases facilitated by social networking sites and to offer mobile coupon rewards to frequent readers.

FORBES: Kobo CEO On The Future Of E-Readers And Google Books